Granted Patent
Utility
US 5,591,795 · App. 08/392,814
Polypropylene composition
Inventors:
Takao Nomura, Takeyoshi Nishio, Mikio Hashimoto, Satoru Moriya
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Feb 27, 1995
Inventors
Takao Nomura
Takeyoshi Nishio
Mikio Hashimoto
Satoru Moriya
Assignees (at issue)
Mitsui Petrochemical Industries, Ltd.
TOYOTA JIDOSHA KABUSHIKI KAISHA
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.